import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from './auth'
import router from "@/router";

// create an axios instance
const service = axios.create({
  baseURL: "", // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 10000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (store.state.user.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['Authorization'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data

    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 200) {
      // Message({
      //   message: res.msg || 'Error',
      //   type: 'error',
      //   duration: 5 * 1000
      // })
      if (res.code === 10005){
        store.dispatch('user/resetToken')
        router.push("/login?redirect="+router.currentRoute.fullPath)
      }

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 401 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm('您还未登录，请先登录后操作', '提示', {
          confirmButtonText: '登录',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          router.push("/login?redirect="+router.currentRoute.fullPath)
          // store.dispatch('user/resetToken').then(() => {
          //   location.reload()
          // })

        })
      }
      return Promise.reject(new Error(res.msg || 'Error'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error) // for debug
    // Message({
    //   message: error.msg,
    //   type: 'error',
    //   duration: 5 * 1000
    // })
    return Promise.reject(error)
  }
)

export default service
